Spring-Loaded
Check Valves: When two or more pounds of water pressure is applied
the spring-loaded gate opens. The valve relys on a small internal
spring to close the disc whenever water is not moving in the intended
direction.

$24.95

Spring-loaded
check valve 1/2 lb. pressure 2" pipe

$24.95

Spring-loaded
check valve 1/2 lb. pressure 1 1/2" pipe

Check
Valve: these valves insure that water flows in one direction only
and prevent back-flow when pool/spa pump is turned off